Tools: Added tool to get the list of package licenses

.eslintignore

@@ -1966,6 +1966,9 @@ packages/tools/generate-images.js.map
 packages/tools/git-changelog.d.ts
 packages/tools/git-changelog.js
 packages/tools/git-changelog.js.map
+packages/tools/licenseChecker.d.ts
+packages/tools/licenseChecker.js
+packages/tools/licenseChecker.js.map
 packages/tools/release-android.d.ts
 packages/tools/release-android.js
 packages/tools/release-android.js.map

.gitignore

@@ -1956,6 +1956,9 @@ packages/tools/generate-images.js.map
 packages/tools/git-changelog.d.ts
 packages/tools/git-changelog.js
 packages/tools/git-changelog.js.map
+packages/tools/licenseChecker.d.ts
+packages/tools/licenseChecker.js
+packages/tools/licenseChecker.js.map
 packages/tools/release-android.d.ts
 packages/tools/release-android.js
 packages/tools/release-android.js.map

packages/tools/licenseChecker.ts

@@ -0,0 +1,78 @@
+import { readdir, stat, writeFile } from 'fs-extra';
+import { chdir, cwd } from 'process';
+import { execCommand2, rootDir } from './tool-utils';
+
+interface LicenseInfo {
+	licenses: string;
+	repository: string;
+	path: string;
+}
+
+const getLicenses = async (directory: string): Promise<Record<string, LicenseInfo>> => {
+	const previousDir = cwd();
+	await chdir(directory);
+	const result = await execCommand2(['license-checker-rseidelsohn', '--production', '--json'], { quiet: true });
+	const info: Record<string, LicenseInfo> = JSON.parse(result);
+	if (!info) throw new Error(`Could not parse JSON: ${directory}`);
+	await chdir(previousDir);
+	return info;
+};
+
+const createCsvLine = (items: string[]) => {
+	try {
+		return `"${items.map(i => i.replace(/"/g, '""')).join('", "')}"`;
+	} catch (error) {
+		error.message = `Could not process line: ${JSON.stringify(items)}: ${error.message}`;
+		throw error;
+	}
+};
+
+const enforceString = (line: any): string => {
+	if (Array.isArray(line)) return line.join(', ');
+	return line ? (`${line}`) : '';
+};
+
+async function main() {
+	const directories: string[] = [];
+	const packageItems = await readdir(`${rootDir}/packages`);
+	for (const item of packageItems) {
+		const fullPath = `${rootDir}/packages/${item}`;
+		const info = await stat(fullPath);
+		if (info.isDirectory()) directories.push(fullPath);
+	}
+	directories.push(rootDir);
+
+	let licenses: Record<string, LicenseInfo> = {};
+
+	for (const dir of directories) {
+		console.info(`Processing ${dir}...`);
+		const dirLicenses = await getLicenses(dir);
+		for (const [, v] of Object.entries(dirLicenses)) {
+			v.path = dir.substr(rootDir.length);
+		}
+		licenses = { ...licenses, ...dirLicenses };
+	}
+
+	const csv: string[][] = [];
+	csv.push(['Package', 'Licenses', 'Repository', 'Path']);
+
+	for (const [packageName, info] of Object.entries(licenses)) {
+		csv.push([
+			enforceString(packageName),
+			enforceString(info.licenses),
+			enforceString(info.repository),
+			enforceString(info.path),
+		]);
+	}
+
+	const outputFile = `${rootDir}/licenses.csv`;
+	await writeFile(outputFile, csv.map(line => createCsvLine(line)).join('\n'));
+
+	console.info(`Created summary in ${outputFile}`);
+}
+
+main().catch((error) => {
+	console.error('Fatal error');
+	console.error(error);
+	process.exit(1);
+});

packages/tools/tool-utils.ts

@@ -127,7 +127,7 @@ async function saveGitHubUsernameCache(cache: any) {
 }
 
 // Returns the project root dir
-export const rootDir = require('path').dirname(require('path').dirname(__dirname));
+export const rootDir: string = require('path').dirname(require('path').dirname(__dirname));
 
 export function execCommand(command: string, options: any = null): Promise<string> {
 	options = options || {};